HESI A2
HESI A2 Practice Test Anatomy and Physiology
1. The healthcare professional is reviewing concepts of cultural aspects of pain. Which statement is true regarding pain?
- A. All individuals will behave the same way when in pain.
- B. Just as individuals vary in their perceptions of pain, they will also vary in their expressions of pain.
- C. Cultural norms play a significant role in determining pain tolerance, as it is always biologically determined.
- D. A patient's expression of pain is largely dependent on the amount of tissue injury associated with the pain.
Correct answer: B
Rationale: Patients vary in their perceptions of pain, which can be influenced by cultural factors, personal experiences, and psychological aspects. As a result, individuals will also vary in how they express their pain. Cultural norms, social environment, and individual differences all play a role in how pain is experienced and communicated. Therefore, it is important for healthcare professionals to recognize and respect these variations in order to provide appropriate pain management and support for patients. Choice A is incorrect because individuals do not behave the same way when in pain. Choice C is incorrect because pain tolerance is not solely biologically determined; cultural norms and individual differences also influence it. Choice D is incorrect because a patient's expression of pain can be influenced by various factors beyond the amount of tissue injury, such as emotional state and cultural beliefs.
2. Choose the meaning of the word 'disregard' in the following sentence: 'He chose to disregard the warnings.'
- A. Have no opinion about
- B. Pay attention to
- C. Care for
- D. Ignore
Correct answer: D
Rationale: The correct meaning of 'disregard' in the sentence provided is 'to ignore.' When someone disregards something, they are choosing not to pay attention to it or consider it important. Choice A, 'Have no opinion about,' is incorrect as disregard implies actively ignoring something rather than having no opinion. Choice B, 'Pay attention to,' is the opposite of disregard. Choice C, 'Care for,' is also the opposite of disregard, as caring for something implies giving it importance and attention.
3. Which vitamin is essential for the synthesis of collagen?
- A. Vitamin C
- B. Vitamin D
- C. Vitamin B12
- D. Vitamin K
Correct answer: A
Rationale: The correct answer is Vitamin C. Vitamin C is essential for the synthesis of collagen, a protein crucial for maintaining the structure and integrity of skin, blood vessels, and bones. It plays a key role in the hydroxylation of proline and lysine residues in collagen synthesis, which is necessary for the stability and strength of collagen fibers. Choice B: Vitamin D is essential for bone health and calcium absorption but is not directly involved in collagen synthesis. Choice C: Vitamin B12 is important for red blood cell formation and neurological function but is not directly related to collagen synthesis. Choice D: Vitamin K is necessary for blood clotting and bone metabolism but does not play a direct role in collagen synthesis.
4. What is the first step in the conversion of glucose to pyruvate?
- A. Glycolysis
- B. Krebs cycle
- C. Electron transport chain
- D. Aerobic respiration
Correct answer: A
Rationale: The correct answer is Glycolysis. Glycolysis is the initial step in the conversion of glucose to pyruvate. During glycolysis, glucose is broken down into pyruvate through a series of enzymatic reactions. Choice B, the Krebs cycle, occurs after glycolysis in aerobic cellular respiration. Choice C, the Electron transport chain, is the final step in aerobic respiration where the majority of ATP is produced. Choice D, Aerobic respiration, is a broader term that encompasses glycolysis, the Krebs cycle, and the electron transport chain, but it is not the specific first step in the conversion of glucose to pyruvate.
5. What is another word for ADHERE?
- A. Remain intact
- B. Loosen
- C. Hold fast
- D. Position next to
Correct answer: C
Rationale: The correct answer is 'C: Hold fast.' ADHERE means to stay firmly attached or stick to something. 'Remain intact' (A) implies staying whole or undamaged, 'Loosen' (B) means to make less tight or firm, and 'Position next to' (D) refers to being placed adjacent to something, which do not accurately capture the meaning of ADHERE.
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